// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef V8_COMPILER_JS_HEAP_COPY_REDUCER_H_
#define V8_COMPILER_JS_HEAP_COPY_REDUCER_H_

#include "src/compiler/graph-reducer.h"

namespace v8 {
namespace internal {
    namespace compiler {

        class JSHeapBroker;

        // The heap copy reducer makes sure that the relevant heap data referenced
        // by handles embedded in the graph is copied to the heap broker.
        // TODO(jarin) This is just a temporary solution until the graph uses only
        // ObjetRef-derived reference to refer to the heap data.
        class V8_EXPORT_PRIVATE JSHeapCopyReducer : public Reducer {
        public:
            explicit JSHeapCopyReducer(JSHeapBroker* broker);

            const char* reducer_name() const override { return "JSHeapCopyReducer"; }

            Reduction Reduce(Node* node) override;

        private:
            JSHeapBroker* broker();

            JSHeapBroker* broker_;
        };

    } // namespace compiler
} // namespace internal
} // namespace v8

#endif // V8_COMPILER_JS_HEAP_COPY_REDUCER_H_
